7722220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3191}}^1$

素因数の和:3222

約数の個数: 36

約数和(自身を含む): 17830512

約数和(自身を除く): 10108292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3191, 6382, 12764, 15955, 31910, 35101, 63820, 70202, 140404, 175505, 351010, 386111, 702020, 772222, 1544444, 1930555, 3861110, 7722220]

約数ペア:

[(1, 7722220), (2, 3861110), (4, 1930555), (5, 1544444), (10, 772222), (11, 702020), (20, 386111), (22, 351010), (44, 175505), (55, 140404), (110, 70202), (121, 63820), (220, 35101), (242, 31910), (484, 15955), (605, 12764), (1210, 6382), (2420, 3191)]